People use smartphones to communicate with each other., Smartphones are used to communicate with each other., Smartphones is used to communicate with each other., Smartphones were used to communicate with each other., Engineers develop new technology every year., New technology developed every year., New technology is developed every year., New technology are developed every year., Companies should protect customers' personal information., Customers' personal information should protect., Customers' personal information should be protected., Customers' personal information should protected., People can use AI to solve many problems., AI can used to solve many problems., AI can be use to solve many problems., AI can be used to solve many problems., Scientists might discover new inventions in the future., New inventions might be discovered in the future., New inventions might discovered in the future., New inventions might be discover in the future., Teachers use technology to make lessons more interesting., Technology is use to make lessons more interesting., Technology was used to make lessons more interesting., Technology is used to make lessons more interesting., People must follow safety rules when using machines., Safety rules must followed when using machines., Safety rules must be follow when using machines., Safety rules must be followed when using machines., Engineers can improve robots to help people at work., Robots can be improved to help people at work., Robots can improved to help people at work., Robots can be improve to help people at work., Companies should make electronic devices more affordable., Electronic devices should made more affordable., Electronic devices should be make more affordable., Electronic devices should be made more affordable., The government should control the use of dangerous technology., The use of dangerous technology should be controlled by the government., The use of dangerous technology should controlled by the government., The use of dangerous technology is controlled by the government., Scientists might develop new ways to protect the environment., New ways might develop to protect the environment., New ways might be developed to protect the environment., New ways might be develop to protect the environment., People can use the internet to learn new skills., The internet can use to learn new skills., The internet can be use to learn new skills., The internet can be used to learn new skills., Companies must test new products before selling them., New products must tested before being sold., New products must be test before being sold., New products must be tested before being sold., Inventors should design machines that save energy., Machines that save energy should be designed by inventors., Machines that save energy should designed by inventors., Machines that save energy should be design by inventors.

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